Canon EOS 5DS R vs Canon EOS Rebel T8i

This is a full comparison between the cameras Canon EOS 5DS R and Canon EOS Rebel T8i. We compare them by looking at the categories you see below.

Canon EOS 5DS R
Canon EOS Rebel T8i

Manufacturing

These cameras are both manufacturered by Canon.

Canon EOS 5DS R were released 2015 and Canon EOS Rebel T8i was released 2020. That is a 5 years difference. In tech, this period of time can be of interest since technology is always improving etc.

Camera Manufacturer Released
Canon EOS 5DS R Canon 2015
Canon EOS Rebel T8i Canon 2020

Type of camera

Both these cameras are DSLR cameras. No difference there.

Sensors / crop factor

These cameras have different sensors. Canon EOS 5DS R has a "FF"-sensor while Canon EOS Rebel T8i has a "APSC"-sensor, and their difference in sensors will also effect the crop factor and experience focal length. See the table below.

Camera Experienced focal length when using a lens with 50mm focal length (ex a common "50mm f/1.8")
Canon EOS 5DS R 50 mm (a fullframe sensor does not have a crop factor / focal length multiplier)
Canon EOS Rebel T8i 80 mm (a Canon APS-C sensor have a crop factor / focal length multiplier by * 1.6)

Learn more about crop factor and focal length multiplier here:
Camera selection can affect the focal length (Canon)

Resolution

Canon EOS 5DS R has a 51 MP (Megapixels) resolution while Canon EOS Rebel T8i has 24 MP. If we break down this in more detail this is the data behind the numbers:

Camera Megapixels Pixel (total) Pixels (width) Pixels (height)
Canon EOS 5DS R 51 MP 50320896 8688 5792
Canon EOS Rebel T8i 24 MP 24000000 6000 4000

Canon EOS 5DS R has a 110 % larger resolution than Canon EOS Rebel T8i. This could give you more details in the picture but also a possibility to crop more in the pictures, afterwards while editing the pictures, if needed that is.

ISO range

Canon EOS Rebel T8i has a larger ISO-range than Canon EOS 5DS R. Canon EOS Rebel T8i has an ISO range that stretches from 100 to 25600 while Canon EOS 5DS R has 100 to 6400.

Camera ISO Range
Canon EOS 5DS R 100-6400
Canon EOS Rebel T8i 100-25600

Autofocus and lens compatibility

Both of these cameras have a built-in autofocus motor. Some lenses, that supports autofocus, does not have a autofocus motor of their own but this wont cause any problems with these two cameras.

Here is a complete overview of which lenses that work with each camera:
Lens compatibility chart for Canon EOS 5DS R
Lens compatibility chart for Canon EOS Rebel T8i

Pictures per second

Depending on what you are shooting the FPS, or frames/pictures per second, can definately be of interest. Canon EOS 5DS R can shoot up to 5 pictures per seconds and Canon EOS Rebel T8i can shoot up to 7,5 pictures per seconds.

Camera FPS (Frames per second)
Canon EOS 5DS R 5
Canon EOS Rebel T8i 7,5

Ability to record movies

It is becoming more and more popular to record movies with digital cameras.

In this case, both Canon EOS 5DS R and Canon EOS Rebel T8i can shoot movies.

Weight

The weight of the camera can be an extremely important factor, especially if the camera is about to be used, carried around, for several hours at the time.

Canon EOS 5DS R weighs 930 gr (equal to 2,05 lb) which is 81% heavier than Canon EOS Rebel T8i and its 515 gr (or 1,14 lb).

Camera Weight (in gram) Weight (in pounds)
Canon EOS 5DS R 930 gr 2,05 lb
Canon EOS Rebel T8i 515 gr 1,14 lb